Strengthened block for folding camp chair



FIG. 1 is a front perspective view of a strengthened block for folding camp chair showing my present design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is a front perspective view of the strengthened block for folding camp chair, shown at a reduced scale and showing how the strengthened block would appear on a folding camp chair; and,

FIG. 9 is a rear perspective view of the strengthened block for folding camp chair, shown at an increased scale and shown in more detail than section A of FIG. 8.

The broken lines are shown for illustrative purposes only and form no part of the claimed design 

The ornamental design for strengthened block for folding camp chair, as shown and described. 